[PATCH v3 1/2] kexec: Consolidate machine_kexec_mask_interrupts() implementation

kernel test robot lkp at intel.com
Thu Nov 28 18:46:18 PST 2024


Hi Eliav,

kernel test robot noticed the following build errors:

[auto build test ERROR on powerpc/next]
[also build test ERROR on powerpc/fixes tip/irq/core arm64/for-next/core linus/master v6.12 next-20241128]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Eliav-Farber/kexec-Consolidate-machine_kexec_mask_interrupts-implementation/20241129-041259
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
patch link:    https://lore.kernel.org/r/20241128201027.10396-2-farbere%40amazon.com
patch subject: [PATCH v3 1/2] kexec: Consolidate machine_kexec_mask_interrupts() implementation
config: x86_64-rhel-9.4 (https://download.01.org/0day-ci/archive/20241129/202411291047.R9P698b2-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241129/202411291047.R9P698b2-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411291047.R9P698b2-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   kernel/kexec_core.c: In function 'machine_kexec_mask_interrupts':
>> kernel/kexec_core.c:1085:24: error: implicit declaration of function 'irq_desc_get_chip' [-Werror=implicit-function-declaration]
    1085 |                 chip = irq_desc_get_chip(desc);
         |                        ^~~~~~~~~~~~~~~~~
>> kernel/kexec_core.c:1085:22: warning: assignment to 'struct irq_chip *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
    1085 |                 chip = irq_desc_get_chip(desc);
         |                      ^
>> kernel/kexec_core.c:1097:38: error: invalid use of undefined type 'struct irq_chip'
    1097 |                 if (check_eoi && chip->irq_eoi && irqd_irq_inprogress(&desc->irq_data))
         |                                      ^~
>> kernel/kexec_core.c:1097:51: error: implicit declaration of function 'irqd_irq_inprogress' [-Werror=implicit-function-declaration]
    1097 |                 if (check_eoi && chip->irq_eoi && irqd_irq_inprogress(&desc->irq_data))
         |                                                   ^~~~~~~~~~~~~~~~~~~
>> kernel/kexec_core.c:1097:76: error: invalid use of undefined type 'struct irq_desc'
    1097 |                 if (check_eoi && chip->irq_eoi && irqd_irq_inprogress(&desc->irq_data))
         |                                                                            ^~
   kernel/kexec_core.c:1098:29: error: invalid use of undefined type 'struct irq_chip'
    1098 |                         chip->irq_eoi(&desc->irq_data);
         |                             ^~
   kernel/kexec_core.c:1098:44: error: invalid use of undefined type 'struct irq_desc'
    1098 |                         chip->irq_eoi(&desc->irq_data);
         |                                            ^~
   kernel/kexec_core.c:1100:25: error: invalid use of undefined type 'struct irq_chip'
    1100 |                 if (chip->irq_mask)
         |                         ^~
   kernel/kexec_core.c:1101:29: error: invalid use of undefined type 'struct irq_chip'
    1101 |                         chip->irq_mask(&desc->irq_data);
         |                             ^~
   kernel/kexec_core.c:1101:45: error: invalid use of undefined type 'struct irq_desc'
    1101 |                         chip->irq_mask(&desc->irq_data);
         |                                             ^~
   kernel/kexec_core.c:1103:25: error: invalid use of undefined type 'struct irq_chip'
    1103 |                 if (chip->irq_disable && !irqd_irq_disabled(&desc->irq_data))
         |                         ^~
   kernel/kexec_core.c:1103:43: error: implicit declaration of function 'irqd_irq_disabled'; did you mean 'arch_irqs_disabled'? [-Werror=implicit-function-declaration]
    1103 |                 if (chip->irq_disable && !irqd_irq_disabled(&desc->irq_data))
         |                                           ^~~~~~~~~~~~~~~~~
         |                                           arch_irqs_disabled
   kernel/kexec_core.c:1103:66: error: invalid use of undefined type 'struct irq_desc'
    1103 |                 if (chip->irq_disable && !irqd_irq_disabled(&desc->irq_data))
         |                                                                  ^~
   kernel/kexec_core.c:1104:29: error: invalid use of undefined type 'struct irq_chip'
    1104 |                         chip->irq_disable(&desc->irq_data);
         |                             ^~
   kernel/kexec_core.c:1104:48: error: invalid use of undefined type 'struct irq_desc'
    1104 |                         chip->irq_disable(&desc->irq_data);
         |                                                ^~
   cc1: some warnings being treated as errors


vim +/irq_desc_get_chip +1085 kernel/kexec_core.c

  1075	
  1076	void machine_kexec_mask_interrupts(void)
  1077	{
  1078		unsigned int i;
  1079		struct irq_desc *desc;
  1080	
  1081		for_each_irq_desc(i, desc) {
  1082			struct irq_chip *chip;
  1083			int check_eoi = 1;
  1084	
> 1085			chip = irq_desc_get_chip(desc);
  1086			if (!chip)
  1087				continue;
  1088	
  1089			if (IS_ENABLED(CONFIG_ARM64)) {
  1090				/*
  1091				 * First try to remove the active state. If this fails, try to EOI the
  1092				 * interrupt.
  1093				 */
  1094				check_eoi = irq_set_irqchip_state(i, IRQCHIP_STATE_ACTIVE, false);
  1095			}
  1096	
> 1097			if (check_eoi && chip->irq_eoi && irqd_irq_inprogress(&desc->irq_data))

-- 
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